itch.io

I'm not a Windows user, I was not sure either. I found this on stackoverflow:
https://stackoverflow.com/questions/50896496/what-is-the-difference-between-py-a...

If the command:

py -m pip install tcod

Worked for you, perhaps you should try it in place of `python` that I provided in my instructions.

You may want to follow the steps found here to get python-tcod installed: https://python-tcod.readthedocs.io/en/latest/installation.html#windows

Did you install the packages after creating the virtual environment? I know I said they were optional, but I am still new to Python virtual environments. Plus I didn't test running my game without using a virtual environment.